how
Explain how something in the codebase works, from source, with file:line citations - at the level of a senior engineer onboarding onto a subsystem. Use for "how does X work", "walk me through Y", "what happens when Z", and before any nontrivial change or architecture decision.
Pinned to revision 7cf5821b660b, so it is the text this page describes rather than whatever the author pushed since.
Files
Every link opens the file at its source, pinned to the revision this page describes.